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Masetti R, Muratore E, Leardini D, Baccelli F, Pession A, Prete A, Locatelli F. Chemotherapy-free treatment for acute promyelocytic leukemia: the pediatric view of a revolutionary tale. Front Oncol 2023; 13:1135350. [PMID: 37124521 PMCID: PMC10145906 DOI: 10.3389/fonc.2023.1135350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 03/27/2023] [Indexed: 05/02/2023] Open
Abstract
The addition of all-trans retinoic acid (ATRA) to the standard anthracycline-base chemotherapy has revolutionized the treatment of acute promyelocytic leukemia (APL) over the last decades, becoming a model for precision medicine. The protocols based on the combination of ATRA and chemotherapy allowed obtaining excellent response rates both for children and adults. However, the persistence of anthracycline chemotherapy as a backbone was a matter of concern for both acute and long-term complications. Efforts in reducing anthracycline cumulative dose or even eliminating anthracycline have been pursued in more recent pediatric protocols thanks to the introduction of arsenic trioxide (ATO). The impressive results of the ATRA/ATO combinations led to the introduction of protocols completely chemotherapy-free for standard-risk adult patients as the standard of care, whereas pediatric chemo-free protocols are still currently under evaluation. In this Review, we will critically retrace the history of this unique revolution in precision medicine, discussing the peculiar advantages for pediatric patients with APL.
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Affiliation(s)
- Riccardo Masetti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
| | - Edoardo Muratore
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- *Correspondence: Edoardo Muratore,
| | - Davide Leardini
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Francesco Baccelli
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Andrea Pession
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS Ospedale Pediatric Bambino Gesù, Rome, Italy
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2
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Hasbullah JS, Scott EN, Bhavsar AP, Gunaretnam EP, Miao F, Soliman H, Carleton BC, Ross CJD. All-trans retinoic acid (ATRA) regulates key genes in the RARG-TOP2B pathway and reduces anthracycline-induced cardiotoxicity. PLoS One 2022; 17:e0276541. [PMID: 36331922 PMCID: PMC9635745 DOI: 10.1371/journal.pone.0276541] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/09/2022] [Indexed: 11/06/2022] Open
Abstract
The effectiveness of anthracycline chemotherapeutics (e.g., doxorubicin) is limited by anthracycline-induced cardiotoxicity (ACT). A nonsynonymous variant (S427L) in the retinoic acid receptor-γ (RARG) gene has been associated with ACT. This variant causes reduced RARG activity, which is hypothesized to lead to increased susceptibility to ACT through reduced activation of the retinoic acid pathway. This study explored the effects of activating the retinoic acid pathway using a RAR-agonist, all-trans retinoic acid (ATRA), in human cardiomyocytes and mice treated with doxorubicin. In human cardiomyocytes, ATRA induced the gene expression of RARs (RARG, RARB) and repressed the expression of topoisomerase II enzyme genes (TOP2A, TOP2B), which encode for the molecular targets of anthracyclines and repressed downstream ACT response genes. Importantly, ATRA enhanced cell survival of human cardiomyocytes exposed to doxorubicin. The protective effect of ATRA was also observed in a mouse model (B6C3F1/J) of ACT, in which ATRA treatment improved heart function compared to doxorubicin-only treated mice. Histological analyses of the heart also indicated that ATRA treatment reduced the pathology associated with ACT. These findings provide additional evidence for the retinoic acid pathway’s role in ACT and suggest that the RAR activator ATRA can modulate this pathway to reduce ACT.
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Affiliation(s)
- Jafar S. Hasbullah
- Department of Medical Genetics, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- British Columbia Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Erika N. Scott
- Department of Medical Genetics, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- British Columbia Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Amit P. Bhavsar
- Department of Medical Microbiology and Immunology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Erandika P. Gunaretnam
- British Columbia Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Fudan Miao
- British Columbia Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Hesham Soliman
- School of Biomedical Engineering, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Bruce C. Carleton
- Department of Medical Genetics, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- British Columbia Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
- Department of Pediatrics, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Colin J. D. Ross
- Department of Medical Genetics, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- British Columbia Children’s Hospital Research Institute, Vancouver, British Columbia, Canada
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
- * E-mail:
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3
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Potenza RL, Lodeserto P, Orienti I. Fenretinide in Cancer and Neurological Disease: A Two-Face Janus Molecule. Int J Mol Sci 2022; 23:ijms23137426. [PMID: 35806431 PMCID: PMC9266536 DOI: 10.3390/ijms23137426] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 02/05/2023] Open
Abstract
Recently, several chemotherapeutic drugs have been repositioned in neurological diseases, based on common biological backgrounds and the inverse comorbidity between cancer and neurodegenerative diseases. Fenretinide (all-trans-N-(4-hydroxyphenyl) retinamide, 4-HPR) is a synthetic derivative of all-trans-retinoic acid initially proposed in anticancer therapy for its antitumor effects combined with limited toxicity. Subsequently, fenretinide has been proposed for other diseases, for which it was not intentionally designed for, due to its ability to influence different biological pathways, providing a broad spectrum of pharmacological effects. Here, we review the most relevant preclinical and clinical findings from fenretinide and discuss its therapeutic role towards cancer and neurological diseases, highlighting the hormetic behavior of this pleiotropic molecule.
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Affiliation(s)
- Rosa Luisa Potenza
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy
- Correspondence: ; Tel.: +39-06-49902389
| | - Pietro Lodeserto
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy; (P.L.); (I.O.)
| | - Isabella Orienti
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy; (P.L.); (I.O.)
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4
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Viswanathan G, Chung LY, Srinivas UK. Heterogeneous Differentiation of Highly Proliferative Embryonal Carcinoma PCC4 Cells Induced by Curcumin: An In Vitro Study. Nutr Cancer 2020; 73:1780-1791. [PMID: 32875900 DOI: 10.1080/01635581.2020.1811883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Curcumin, the yellow pigment derived from turmeric rhizomes, exhibits antioxidant, anti-inflammatory, antimicrobial, and anticancer properties. We have previously reported in a study that curcumin could induce differentiation in embryonal carcinoma cell (EC). EC cells are the primary constituents of teratocarcinoma tumors, and hence differentiating them to a non-proliferative cell type may be useful in anticancer therapies. Here, we conducted a detailed study using various molecular approaches to characterize this differentiation at the cellular and molecular levels. The cells were treated with 20 µM curcumin, which was the optimal concentration to produce the highest amount of differentiated cells. Changes in protein and RNA expression, membrane dynamics, and migration of these cells after treatment with curcumin were then studied in a time-dependent manner. The differentiated cells were morphologically distinct from the precursor cells, and gene expression profiles were altered in curcumin-treated cells. Curcumin promoted cell motility and cell adhesion. Curcumin also induced changes in membrane fluidity and the lateral mobility of lipids in the plasma membrane. The findings of this study suggest that curcumin might have therapeutic potential in differentiation therapy for the treatment of teratocarcinomas or germ cell tumors (GCTs) such as testicular and ovarian GCTs.
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Affiliation(s)
- Geetha Viswanathan
- Centre for Cellular and Molecular Biology (CCMB), Hyderabad, India.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Malaya, Kuala Lumpur, Malaysia
| | - Lip Yong Chung
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Malaya, Kuala Lumpur, Malaysia
| | - Usha K Srinivas
- Centre for Cellular and Molecular Biology (CCMB), Hyderabad, India
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5
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Zhang L, Samad A, Pombo-de-Oliveira MS, Scelo G, Smith MT, Feusner J, Wiemels JL, Metayer C. Global characteristics of childhood acute promyelocytic leukemia. Blood Rev 2015; 29:101-25. [PMID: 25445717 PMCID: PMC4379131 DOI: 10.1016/j.blre.2014.09.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 09/21/2014] [Accepted: 09/23/2014] [Indexed: 12/29/2022]
Abstract
Acute promyelocytic leukemia (APL) comprises approximately 5-10% of childhood acute myeloid leukemia (AML) cases in the US. While variation in this percentage among other populations was noted previously, global patterns of childhood APL have not been thoroughly characterized. In this comprehensive review of childhood APL, we examined its geographic pattern and the potential contribution of environmental factors to observed variation. In 142 studies (spanning >60 countries) identified, variation was apparent-de novo APL represented from 2% (Switzerland) to >50% (Nicaragua) of childhood AML in different geographic regions. Because a limited number of previous studies addressed specific environmental exposures that potentially underlie childhood APL development, we gathered 28 childhood cases of therapy-related APL, which exemplified associations between prior exposures to chemotherapeutic drugs/radiation and APL diagnosis. Future population-based studies examining childhood APL patterns and the potential association with specific environmental exposures and other risk factors are needed.
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Affiliation(s)
- L Zhang
- School of Public Health, University of California, Berkeley, USA.
| | - A Samad
- School of Public Health, University of California, Berkeley, USA.
| | - M S Pombo-de-Oliveira
- Pediatric Hematology-Oncology Program, Research Center-National Institute of Cancer, Rio de Janeiro, Brazil.
| | - G Scelo
- International Agency for Research on Cancer (IARC), Lyon, France.
| | - M T Smith
- School of Public Health, University of California, Berkeley, USA.
| | - J Feusner
- Department of Hematology, Children's Hospital and Research Center Oakland, Oakland, USA.
| | - J L Wiemels
- Department of Epidemiology and Biostatistics, University of California, San Francisco, USA.
| | - C Metayer
- School of Public Health, University of California, Berkeley, USA.
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6
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Capurso NA, Look M, Jeanbart L, Nowyhed H, Abraham C, Craft J, Fahmy TM. Development of a nanoparticulate formulation of retinoic acid that suppresses Th17 cells and upregulates regulatory T cells. SELF NONSELF 2014; 1:335-340. [PMID: 21487509 DOI: 10.4161/self.1.4.13946] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2010] [Accepted: 10/14/2010] [Indexed: 11/19/2022]
Abstract
Retinoic acid (RA) is a small molecule capable of shunting developing T cells away from the Th17 lineage and towards the Treg phenotype, making it a potentially useful therapeutic for autoimmune and inflammatory diseases. However, therapy can be complicated by systemic toxicity and unpredictable bioavailability, making a targeted drug delivery vehicle for local therapy desirable. A promising approach is the use of nanoparticles, which have been demonstrated to increase potency and decrease toxicity of therapies in a variety of disease models including Th17 mediated diseases. Nanoparticles can also be targeted to specific cell types via surface modification, further increasing the potential specificity of this approach. We therefore constructed a nanoparticulate drug delivery platform from poly(lactic-co-glycolic acid) (PLGA) capable of encapsulating and releasing RA. Here we report the fabrication, characterization, and in vitro bioactivity of this platform. We demonstrate that RA containing PLGA nanoparticles suppress IL-17 production and ROR-γ(t) expression in T cells polarized towards the Th17 phenotype in vitro with similar potency to that of free drug. Furthermore, we show that these particles enhance TGF-β dependent Foxp3 expression and IL-10 production of T cells in vitro with similar potency to free RA. Finally, we demonstrate that T cells polarized towards the Th17 phenotype in the presence of free and nanoparticulate RA have similarly suppressed ability to induce IL-6 production by fibroblasts. Our findings demonstrate the feasibility of RA delivery via biodegradable nanoparticles and represent an exciting technology for the treatment of autoimmune and inflammatory diseases.
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Affiliation(s)
- Noah A Capurso
- Department of Biomedical Engineering, Yale University; New Haven, CT USA
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7
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Schultze E, Ourique A, Yurgel VC, Begnini KR, Thurow H, de Leon PMM, Campos VF, Dellagostin OA, Guterres SR, Pohlmann AR, Seixas FK, Beck RCR, Collares T. Encapsulation in lipid-core nanocapsules overcomes lung cancer cell resistance to tretinoin. Eur J Pharm Biopharm 2014; 87:55-63. [DOI: 10.1016/j.ejpb.2014.02.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Revised: 01/26/2014] [Accepted: 02/04/2014] [Indexed: 12/23/2022]
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8
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Lisulo MM, Kapulu MC, Banda R, Sinkala E, Kayamba V, Sianongo S, Kelly P. Adjuvant potential of low dose all-trans retinoic acid during oral typhoid vaccination in Zambian men. Clin Exp Immunol 2014; 175:468-75. [PMID: 24237035 DOI: 10.1111/cei.12238] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2013] [Indexed: 01/01/2023] Open
Abstract
There is an urgent need to identify ways of enhancing the mucosal immune response to oral vaccines. Rotavirus vaccine protection is much lower in Africa and Asia than in industrialized countries, and no oral vaccine has efficacy approaching the best systemic vaccines. All-trans retinoic acid (ATRA) up-regulates expression of α4β7 integrin and CCR9 on lymphocytes in laboratory animals, increasing their gut tropism. The aim of this study was to establish the feasibility of using ATRA as an oral adjuvant for oral typhoid vaccination. In order to establish that standard doses of oral ATRA can achieve serum concentrations greater than 10 nmol/l, we measured ATRA, 9-cis and 13-cis retinoic acid in serum of 14 male volunteers before and 3 h after 10 mg ATRA. We then evaluated the effect of 10 mg ATRA given 1 h before, and for 7 days following, oral typhoid vaccine in eight men, and in 24 men given various control interventions. We measured immunoglobulin (Ig)A directed against lipopolysaccharide (LPS)and protein preparations of vaccine antigens in whole gut lavage fluid (WGLF) and both IgA and IgG in serum, 1 day prior to vaccination and on day 14. Median [interquartile range (IQR)] C(max) was 26·2 (11·7-39·5) nmol/l, with no evidence of cumulation over 8 days. No adverse events were observed. Specific IgA responses to LPS (P = 0·02) and protein (P = 0·04) were enhanced in WGLF, but no effect was seen on IgA or IgG in serum. ATRA was well absorbed, well tolerated and may be a promising candidate oral adjuvant.
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Affiliation(s)
- M M Lisulo
- Tropical Gastroenterology & Nutrition Group, Department of Medicine, University of Zambia School of Medicine, Lusaka, Zambia
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9
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Muindi JR, Roth MD, Wise RA, Connett JE, O'Connor GT, Ramsdell JW, Schluger NW, Romkes M, Branch RA, Sciurba FC. Pharmacokinetics and Metabolism of All-trans-and 13-cis-Retinoic Acid in Pulmonary Emphysema Patients. J Clin Pharmacol 2013; 48:96-107. [DOI: 10.1177/0091270007309701] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Marie I, Massy N, Girszyn N, Senant J, Levesque H. Peripheral neuropathy associated with topical tretinoin therapy. Intern Med J 2010; 39:e9-11. [PMID: 20233239 DOI: 10.1111/j.1445-5994.2009.02093.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Single-agent arsenic trioxide in the treatment of children with newly diagnosed acute promyelocytic leukemia. Blood 2010; 115:1697-702. [DOI: 10.1182/blood-2009-07-230805] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
The aim of this study was to determine the efficacy and safety of treatment of pediatric acute promyelocytic leukemia (APL) with single-agent arsenic trioxide (ATO). A total of 19 children (≤ 15 years of age) with newly diagnosed APL were treated with single-agent ATO for remission induction and postremission therapy. Seventeen of the children (89.5%) achieved complete hematologic remission, and 2 early deaths occurred from intracranial hemorrhage. ATO-induced leukocytosis was observed in 13 (68.4%) patients. Other ATO-related toxicities were minimal and transient. Postremission ATO therapy continued for 3 years; the most common side effect was ATO-induced neutropenia. With a median follow-up of 53 months (range, 23-76 months), the calculated 5-year overall survival and event-free survival were 83.9% and 72.7%, respectively, which are comparable with results achieved by the use of ATRA plus chemotherapy, which is the standard therapy for APL. No chronic arsenic toxicity or second malignancies were found during the follow-up period, and arsenic retention was not significant in patients off treatment more than 24 months. ATO resistance was observed in only 1 patient with a complex karyotype. The results indicate the high efficacy and safety of single-agent ATO regimens in the treatment of children with de novo APL.
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12
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Takitani K, Inoue A, Kawakami C, Miyazaki H, Aomatsu T, Yoden A, Suzuki K, Tamai H. Reduced plasma all-transretinoic acid level in a patient with Crohn's disease with acute promyelocytic leukemia. Leuk Lymphoma 2009; 50:300-2. [DOI: 10.1080/10428190802617797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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13
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Rajpurkar M, Alcasabas P, Warrier I, Valentini RP, Fassinger N, Frattarelli DAC, Ravindranath Y. Effect of dialysis on all trans retinoic acid levels in a child with acute promyelocytic leukemia and renal failure. Pediatr Blood Cancer 2007; 49:994-6. [PMID: 16609947 DOI: 10.1002/pbc.20844] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
All trans retinoic acid (ATRA) combined with chemotherapy has become the mainstay of treatment for patients with acute promyelocytic leukemia (APL). Renal dysfunction (RD) is commonly seen in patients with APL. We describe a patient with APL and multi-organ failure, who was on chronic veno-venous hemofiltration followed by hemodialysis (HD) and later peritoneal dialysis (PD), who received ATRA. ATRA levels were assessed as the body clearance of ATRA in children on HD and/or PD was unknown. Neither HD nor PD significantly affected ATRA levels, suggesting that dose modifications of ATRA may not be necessary for children with these forms of renal replacement therapy.
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Affiliation(s)
- Madhvi Rajpurkar
- Carman and Ann Adams Department of Pediatrics, Division of Hematology Oncology, Children's Hospital of Michigan, Detroit, Michigan 48201, USA.
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14
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Veal GJ, Cole M, Errington J, Pearson ADJ, Foot ABM, Whyman G, Boddy AV. Pharmacokinetics and metabolism of 13-cis-retinoic acid (isotretinoin) in children with high-risk neuroblastoma - a study of the United Kingdom Children's Cancer Study Group. Br J Cancer 2007; 96:424-31. [PMID: 17224928 PMCID: PMC2360017 DOI: 10.1038/sj.bjc.6603554] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The administration of 13-cis-retinoic acid (13-cisRA), following myeloablative therapy improves 3-year event-free survival rates in children with high-risk neuroblastoma. This study aimed to determine the degree of inter-patient pharmacokinetic variation and extent of metabolism in children treated with 13-cisRA. 13-cis-retinoic acid (80 mg m−2 b.d.) was administered orally and plasma concentrations of parent drug and metabolites determined on days 1 and 14 of courses 2, 4 and 6 of treatment. Twenty-eight children were studied. The pharmacokinetics of 13-cisRA were best described by a modified one-compartment, zero-order absorption model combined with lag time. Mean population pharmacokinetic parameters included an apparent clearance of 15.9 l h−1, apparent volume of distribution of 85 l and absorption lag time of 40 min with a large inter-individual variability associated with all parameters (coefficients of variation greater than 50%). Day 1 peak 13-cisRA levels and exposure (AUC) were correlated with method of administration (P<0.02), with 2.44- and 1.95-fold higher parameter values respectively, when 13-cisRA capsules were swallowed as opposed to being opened and the contents mixed with food before administration. Extensive accumulation of 4-oxo-13-cisRA occurred during each course of treatment with plasma concentrations (mean±s.d. 4.67±3.17 μM) higher than those of 13-cisRA (2.83±1.44 μM) in 16 out of 23 patients on day 14 of course 2. Extensive metabolism to 4-oxo-13-cisRA may influence pharmacological activity of 13-cisRA.
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Affiliation(s)
- G J Veal
- Northern Institute for Cancer Research, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK
| | - M Cole
- Northern Institute for Cancer Research, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK
| | - J Errington
- Northern Institute for Cancer Research, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK
| | | | - A B M Foot
- Bristol Royal Hospital for Children, Bristol BS2 8BJ, UK
| | - G Whyman
- UKCCSG, University of Leicester, Leicester LE1 6TH, UK
| | - A V Boddy
- Northern Institute for Cancer Research, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, UK
- E-mail:
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15
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Mirza N, Fishman M, Fricke I, Dunn M, Neuger AM, Frost TJ, Lush RM, Antonia S, Gabrilovich DI. All-trans-retinoic acid improves differentiation of myeloid cells and immune response in cancer patients. Cancer Res 2006; 66:9299-307. [PMID: 16982775 PMCID: PMC1586106 DOI: 10.1158/0008-5472.can-06-1690] [Citation(s) in RCA: 438] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Abnormal dendritic cell differentiation and accumulation of immature myeloid suppressor cells (ImC) is one of the major mechanisms of tumor escape. We tested the possibility of pharmacologic regulation of myeloid cell differentiation using all-trans-retinoic acid (ATRA). Eighteen patients with metastatic renal cell carcinoma were treated with ATRA followed by s.c. interleukin 2 (IL-2). Eight healthy individuals comprised a control group. As expected, the cancer patients had substantially elevated levels of ImC. We observed that ATRA dramatically reduced the number of ImC. This effect was observed only in patients with high plasma concentration of ATRA (>150 ng/mL), but not in patients with lower ATRA concentrations (<135 ng/mL). Effects of ATRA on the proportions of different dendritic cell populations were minor. However, ATRA significantly improved myeloid/lymphoid dendritic cell ratio and the ability of patients' mononuclear cells to stimulate allogeneic T cells. This effect was associated with significant improvement of tetanus-toxoid-specific T-cell response. During the IL-2 treatment, the ATRA effect was completely eliminated. To assess the role of IL-2, specimens from 15 patients with metastatic renal cell carcinoma who had been treated with i.v. IL-2 alone were analyzed. In this group also, IL-2 significantly reduced the number and function of dendritic cells as well as T-cell function. These data indicate that ATRA at effective concentrations eliminated ImC, improved myeloid/lymphoid dendritic cell ratio, dendritic cell function, and antigen-specific T-cell response. ATRA treatment did not result in significant toxicity and it could be tested in therapeutic combination with cancer vaccines.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Dmitry I. Gabrilovich
- * - address for correspondence: Dmitry I. Gabrilovich, H. Lee Moffitt Cancer Center, University of South Florida, MRC 2067, 12902 Magnolia Dr. Tampa, FL 33612, Ph. 813-903-6863, FAX 813-745-1328;
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16
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Takitani K, Koh M, Inoue A, Kawakami C, Kuno T, Tamai H. Pharmacokinetics of all-trans retinoic acid in adults and children with acute promyelocytic leukemia. Am J Hematol 2006; 81:720-1. [PMID: 16838336 DOI: 10.1002/ajh.20717] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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Donato LJ, Noy N. A fluorescence-based method for analyzing retinoic acid in biological samples. Anal Biochem 2006; 357:249-56. [PMID: 16919229 DOI: 10.1016/j.ab.2006.07.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2006] [Revised: 07/04/2006] [Accepted: 07/18/2006] [Indexed: 11/18/2022]
Abstract
Retinoic acid (RA) modulates the rates of transcription of numerous genes and thus plays key roles in multiple biological processes and is used in therapy of a number of diseases. However, RA therapy is often confounded by toxicity, raising the need for methodologies for its ready quantitation in biological samples. We describe a fluorescence-based method for quantitating RA that takes advantage of the high affinity and selectivity of the intracellular lipid-binding protein termed CRABP-I and CRABP-II and that uses them as RA sensors. L28C CRABP mutants were generated, and the inserted cysteine was covalently labeled with an environmentally sensitive fluorescent probe. The label was introduced into a region of the protein that undergoes a conformational shift on ligation. Consequently, RA binding resulted in distinct changes in the fluorescence of the protein-bound probe, allowing direct quantitation of RA. We show that the method can be used to monitor the biosynthesis of RA from its precursor retinal in cultured mammalian cells as well as the detection of exogenous RA in serum. The assay provides ease of use and sensitivity that enable quantitation of RA in biological samples of limited size, and it should prove to be useful in a variety of research and clinical applications.
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Affiliation(s)
- Leslie J Donato
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
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Dawczynski K, Kauf E, Schlenvoigt D, Gruhn B, Fuchs D, Zintl F. Elevated serum insulin-like growth factor binding protein-2 is associated with a high relapse risk after hematopoietic stem cell transplantation in childhood AML. Bone Marrow Transplant 2006; 37:589-94. [PMID: 16444283 DOI: 10.1038/sj.bmt.1705281] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Insulin-like growth factor binding protein (IGFBP)-2 has mitogenic effects in normal and neoplastic cells. The purpose of this study is to examine the diagnostic and prognostic significance of elevated IGFBP-2 levels in children with AML after hematopoietic stem cell transplantation (HSCT) at relapse and continuous complete remission (CCR). In 27 children with AML (mean age 13.6+/-5.3 years; patients in remission n=15 with relapse n=12) serum parameters of IGFBP-2, IGFBP-3, IGF-I and IGF-II were analyzed up to 18 months after HSCT by RIA. AML-patients with evidence of relapse demonstrated a continuous increase of IGFBP-2 levels during the follow-up. At day 100 after HSCT, IGFBP-2 concentrations were significantly higher in patients with relapse than in children without relapse (7.4+/-4.0 standard deviation score (SDS) vs 3.9+/-1.7 SDS; P=0.01). Serum IGFBP-2 was identified as an independent factor for the prediction of relapse. Furthermore, the probability of relapse-free survival (RFS) in patients with IGFBP-2 >4.5 SDS at day 100 after HSCT was 31% compared to patients with IGFBP-2 <4.5 SDS was 72% (P=0.004). Patients with IGFBP-2 concentration up to 4.5 SDS more likely developed a relapse and had a poorer outcome. Identification of these patients allows a more individualized and aggressive adjuvant treatment and follow-up.
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Affiliation(s)
- K Dawczynski
- Friedrich-Schiller University of Jena, Department of Pediatrics, Jena, Germany.
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Lin CH, Hung GY, Chang CY, Chien JC. Subdural hemorrhage in a child with acute promyelocytic leukemia presenting as subtle headache. J Chin Med Assoc 2005; 68:437-40. [PMID: 16187602 DOI: 10.1016/s1726-4901(09)70161-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Acute promyelocytic leukemia (APL) is a distinct subtype of acute myeloid leukemia (AML) and is rare in children (< 10% of childhood AML). It tends to bleed with disseminated intravascular coagulation (DIC) and intracranial hemorrhage complication is often fatal. We report a 12-year-old child with APL who suffered a subdural hemorrhage and initially presented with a subtle headache mistaken as the side effect of all-trans-retinoic acid (ATRA). Blood component therapy and a pediatric dosage of ATRA (25 mg/m2/day) combined with idarubicin as induction chemotherapy were administered in the first week, but the bleeding diathesis persisted and DIC profiles showed no improvement. The patient then developed photophobia, neck stiffness, and constant headache. Evidence of increased intracranial pressure (IICP) and persistent bleeding from previous venous puncture sites were also noticed clinically. DIC and life-threatening IICP were beyond control until the ATRA dosage was increased to adult levels (45 mg/m2/day). This case suggests that the ATRA dosage for pediatric APL patients must be modified according to clinical condition. Emergency brain imaging should be considered in APL patients with signs of IICP to distinguish intracranial lesions from ATRA complications.
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Affiliation(s)
- Chien-Hung Lin
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan
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21
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Abstract
Our forefathers in pathology, on observing cancer tissue under the microscope in the mid-19th century, noticed the similarity between embryonic tissue and cancer, and suggested that tumors arise from embryo-like cells [Recherches dur le Traitement du Cancer, etc. Paris. (1829); Editoral Archiv fuer pathologische Anatomie und Physiologie und fuer klinische Medizin 8 (1855) 23]. The concept that adult tissues contain embryonic remnants that generally lie dormant, but that could be activated to become cancer was later formalized by Cohnheim [Path. Anat. Physiol. Klin. Med. 40 (1867) 1-79; Virchows Arch. 65 (1875) 64] and Durante [Arch. Memori ed Osservazioni di Chirugia Practica 11 (1874) 217-226], as the "embryonal rest" theory of cancer. An updated version of the embryonal rest theory of cancer is that cancers arise from tissue stem cells in adults. Analysis of the cellular origin of carcinomas of different organs indicates that there is, in each instance, a determined stem cell required for normal tissue renewal that is the most likely cell of origin of carcinomas [Lab. Investig. 70 (1994) 6-22]. In the present review, the nature of normal stem cells (embryonal, germinal and somatic) is presented and their relationships to cancer are further expanded. Cell signaling pathways shared by embryonic cells and cancer cells suggest a possible link between embryonic cells and cancer cells. Wilm's tumors (nephroblastomas) and neuroblastomas are presented as possible tumors of embryonic rests in children. Teratocarcinoma is used as the classic example of the totipotent cancer stem cell which can be influenced by its environment to differentiate into a mature adult cell. The observation that "promotion" of an epidermal cancer may be accomplished months or even years after the initial exposure to carcinogen ("initiation"), implies that the original carcinogenic event occurs in a long-lived epithelial stem cell population. The cellular events during hepatocarcinogenesis illustrate that cancers may arise from cells at various stages of differentiation in the hepatocyte lineage. Examples of genetic mutations in epithelial and hematopoietic cancers show how specific alterations in gene expression may be manifested as maturation arrest of a cell lineage at a specific stage of differentiation. Understanding the signals that control normal development may eventually lead us to insights in treating cancer by inducing its differentiation (differentiation therapy). Retinoid acid (RA) induced differentiation therapy has acquired a therapeutic niche in treatment of acute promyelocytic leukemia and the ability of RA to prevent cancer is currently under examination.
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Affiliation(s)
- Stewart Sell
- Center and Ordway Research Institute, New York State Health Department, Wadsworth Center, P.O. Box 509, Room C-400, Empire State Plaza, Albany, NY 12201, USA.
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Formelli F. Re: Lanvers C et al. Pharmacology of all-trans-retinoic acid in children with acute promyelocytic leukemia. Med Pediatr Oncol 2003;40:293-301. Pediatr Blood Cancer 2004; 42:392-3. [PMID: 14966841 DOI: 10.1002/pbc.10439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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